Inventions What plaything was invented by Joe McVicker in 1956? Play-Doh Silly Putty Lite-Brite Etch-A-Sketch Play-Doh Silly Putty Lite-Brite Etch-A-Sketch ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Margaret Knight Amanda Jones Marjorie Joyner Mary Kies Margaret Knight Amanda Jones Marjorie Joyner Mary Kies ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Fahrenheit Michael Faraday Thomas Alva Edison Sir Alexander Graham Bell Fahrenheit Michael Faraday Thomas Alva Edison Sir Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Waterbed Captain's chair Hammock Sofa bed Waterbed Captain's chair Hammock Sofa bed ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? James B. Conant Vannevar Bush Leslie R. Groves Robert Oppenheimer James B. Conant Vannevar Bush Leslie R. Groves Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS